// Copyright (c) 2006-2008 Simon Fell
//
// Permission is hereby granted, free of charge, to any person obtaining a 
// copy of this software and associated documentation files (the "Software"), 
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense, 
// and/or sell copies of the Software, and to permit persons to whom the 
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included 
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 
// THE SOFTWARE.
//

#import "ZKDescribeSObject_additions.h"


@implementation ZKSObject (KVCHelper)

- (id)valueForUndefinedKey:(NSString *)key {
	id v = [fields objectForKey:key];
	if (v != nil) {
		return v == [NSNull null] ? nil : v;
	}
	return [super valueForUndefinedKey:key];
}

@end

@implementation ZKDescribeSObject (FieldHelpers)

- (NSArray *)nameFields {
	NSMutableArray *names = [NSMutableArray arrayWithCapacity:2];
	ZKDescribeField *f;
	NSEnumerator *e = [[self fields] objectEnumerator];
	while (f = [e nextObject]) {
		if([f nameField])
			[names addObject:f];
	}
	return names;
}

@end